conservation credits - city of college station
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Conservation Credits
for TWCA GMA/GCD PanelJune 18, 2015
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• BVGCD is Brazos and Robertson Counties
• Brazos County – mostly Municipal (CS, Bryan, TAMU)
• Robertson County – mostly Farm and Ranch
• Very high reliance on Groundwater
• Cities are 100% Groundwater
• DFC for Simsboro is 270’ additional drawdown
• Since 2000, have seen 39’ actual drawdown
• Impact of growth and Vista Ridge is TBD
• Trying to put Rules in place to not exceed DFCs
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• If we assume that GCDs will be able to regulate groundwater post-Bragg:
• Pumping reductions will be required as drawdown approaches the DFC
We see two methods to implement pumping reductions:
1. By acreage – reduce the “2 acre-feet/year per acre” rule
2. By permits – percentage reductions to actual pumping
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Situation with the Brazos Valley GCD
• But the challenge of making reductions “By Permit” is how do you incentivize conservation now?
• Rules Committee considering a BANKING system where credits are earned for conservation now.
• Credits can be used in the future to reduce cutbacks
• Most wells pre-date the District, and don’t follow the “2 acre-feet/acre” rule
• Reductions “By Acre” become problematic
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How would a Conservation Credit system work?
• For Municipalities, credits could be Banked:
– Gallon for gallon, alternative sources that reduce GW use
– Percent of usage for Inclined Rate systems
– Percent of usage for Water Loss under a given percent
– Credits for other innovative conservation measures
• Many details yet to be worked out